Ladder



FIG. 1 is a perspective view of a ladder showing my new and ornamental design, wherein a shelf and rails of the ladder are shown in a folded position;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a bottom view of FIG. 1;

FIG. 4 is a front view of FIG. 1;

FIG. 5 is a back view of FIG. 1;

FIG. 6 is a right-side view of FIG. 1;

FIG. 7 is a left-side view of FIG. 1;

FIG. 8 is a perspective view for the ladder of FIGS. 1-7, wherein the rails of the ladder are shown in the folded position and the shelf is shown in an unfolded position;

FIG. 9 is a top view of FIG. 8;

FIG. 10 is a bottom view of FIG. 8;

FIG. 11 is a front view of FIG. 8;

FIG. 12 is a back view of FIG. 8;

FIG. 13 is a right-side view of FIG. 8;

FIG. 14 is a left-side view of FIG. 8;

FIG. 15 is a perspective view for the ladder of FIGS. 1-7, wherein the shelf and the rails of the ladder are shown in the unfolded position;

FIG. 16 is a top view illustrating the new and ornamental design for the ladder of FIG. 15;

FIG. 17 is a bottom view of FIG. 15;

FIG. 18 is a front view of FIG. 15;

FIG. 19 is a back view of FIG. 15;

FIG. 20 is a right-side view of FIG. 15; and,

FIG. 21 is a left-side view of FIG. 15. 

CLAIM The ornamental design for a ladder, as shown and described. 